TM9-2330-358-14&P
Table 2-1. Operator/Crew Preventive Maintenance Checks and Services (PMCS)
B-BEFORE
D-DURING
A-AFTER
INTERVAL
EQUIPMENT IS
ITEM
ITEM TO BE INSPECTED
NO.
B D A
PROCEDURES: CHECK FOR AND HAVE
NOT READY/
REPAIRED, FILLED, OR ADJUSTED AS NEEDED
AVAILABLE IF:
Two or more wheel
Check wheels for damage and wheel nuts
q
for tightness and presence.
nuts loose or
missing from any
wheel.
AIR HOSES AND CABLES
3
Check intervehicular air hoses
Air hoses or inter-
q
vehicular cables
and cables for cuts and breaks.
are broken or
missing.
BRAKE SYSTEM
4
a. Inspect brake hose couplings
Coupling missing,
q
broken or damaged.
(gland hands) for security and/or
damage.
b. Test brake system by connecting
Service brakes fail
q
to operate.
semitrailer to towing vehicle. Check
hose connections and make sure the towing
vehicle air service line valve is turned
on. Actuate the service brakes.
NOTE
Service brakes can be heard to
actuate at the semitrailer. Air
chamber push rods will compress.
c. With semitrailer connected to the
Air leaks are
found.
towing vehicle, have an assistant actuate
the service brakes and listen for air
leaks at the gladhands, at the relay
valve, multi-function valve and at the
air reservoirs.
d. Be alert for unusual difficulty in
stopping that would indicate that the
semitrailer service brakes are
malfunctioning.
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